OXLADE CHRIS. (2019). MAKING MACHINES WITH WHEELS AND AXLES (2014 Ed.). RAINTREE PUBLISHERS.
Cita Chicago (17th ed.)OXLADE CHRIS. MAKING MACHINES WITH WHEELS AND AXLES. 2014 Ed. CHICAGO: RAINTREE PUBLISHERS, 2019.
Cita MLA (9th ed.)OXLADE CHRIS. MAKING MACHINES WITH WHEELS AND AXLES. 2014 Ed. RAINTREE PUBLISHERS, 2019.
Atenció: Aquestes cites poden no estar 100% correctes.